See also:

Disc Messages
DISC ERROR: If this message displays and/or the disc ejects, it could be for one of the following reasons: - The radio system does not support the playlist format, the compressed audio form ...

Programming without a Recognized Transmitter
United States owners are permitted to program a new transmitter to their vehicle when a recognized transmitter is not available. The Canadian immobilizer standard requires that Canadian own ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...